vSAN Erasure Coding Failure Handling

I had a very interesting question recently about how vSAN handles a failure in an object that is running with an erasure coding configuration. In the case of vSAN this is either a RAID-5 or a RAID-6. On vSAN, a RAID-5 is implemented with 3 data segments and 1 parity segment (3+1), with parity striped across all four components. RAID-6 is implemented as 4 [...]

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VSA Cluster Service Considerations

Some changes have been made to the vSphere Storage Appliance (VSA) Cluster Service in version 5.1. Previously, the VSA Cluster Service was installed on the vCenter Server - [...]

Boot from Software FCoE – Detailed

For those of you who have been following my new vSphere 5.1 storage features series of blog posts, in part 5 I called out that we have a new Boot from Software FCoE feature. [...]

Heads Up! VSA 5.1 Upgrade Issues

For those of you who are already using VSA 1.0, and are considering an upgrade to VSA 5.1, the following information will be of interest to you. [...]

The requested operation will exceed the VDC’s storage quota

vSphere 5.1 introduced a number of vCloud Director (vCD) interoperability features from a storage perspective, namely ability to take VM snapshots from within the vCD UI, [...]

Nimbus Data’s new Gemini Array & vSphere Integration

At VMworld 2012 in San Francisco, I had the pleasure of catching up with Scott Kline, Karthik Pinnamaneni & the rest of the team from Nimbus Data. In the weeks leading up [...]

Do RDMs still rely on LUN ID?

I had an interesting question the other day about whether Raw Device Mappings (aka RDMs) still had a reliance on the LUN ID, especially when it comes to the vMotion of Virtual [...]

Heads Up! Fibre Channel & vSphere 5.1 Web Client Users

A quick kudos to my colleague William Lam (@lamw) for bringing this to my attention. There is an issue in the new vSphere 5.1 web client when it comes to displaying Fibre [...]